body {
    background: #009688;
    padding: 0;
    margin: 0;
    touch-action: manipulation;
    -webkit-user-select: none;
    -moz-user-select: none;
    -khtml-user-select: none;
    -ms-user-select: none;
    /* -ms-代表【ie】内核识别码；
-moz-代表火狐【firefox】内核识别码；
-webkit-代表谷歌【chrome】/苹果【safari】内核识别码；
-o-代表欧鹏【opera】内核识别码； */
}

.load {
    width: 240px;
    height: 240px;
    position: absolute;
    top: 50%;
    left: 50%;
    margin: -120px 0 0 -120px;
    color: #efcc19;
    -webkit-animation: fadeIn 2s infinite ease-in-out;
    animation: fadeIn 2s infinite ease-in-out;
    -webkit-animation-delay: 2s;
    animation-delay: 2s;
    opacity: 0;
}

.load .loader, .load .loader:before, .load .loader:after {
    background: #efcc19;
    -webkit-animation: load 1s infinite ease-in-out;
    animation: load 1s infinite ease-in-out;
    width: 1em;
    height: 4em
}

.load .loader:before, .load .loader:after {
    position: absolute;
    top: 0;
    content: ''
}

.load .loader:before {
    left: -1.5em;
    -webkit-animation-delay: -0.32s;
    animation-delay: -0.32s
}

.load .loader {
    text-indent: -9999em;
    margin: 8em auto;
    position: relative;
    font-size: 11px;
    -webkit-animation-delay: -0.16s;
    animation-delay: -0.16s
}

.load .loader:after {
    left: 1.5em
}

@-webkit-keyframes load {
    0%, 80%, 100% {
        box-shadow: 0 0 #efcc19;
        height: 4em
    }

    40% {
        box-shadow: 0 -2em #efcc19;
        height: 5em
    }
}

@keyframes load {
    0%, 80%, 100% {
        box-shadow: 0 0 #efcc19;
        height: 4em
    }

    40% {
        box-shadow: 0 -2em #efcc19;
        height: 5em
    }
}

@-webkit-keyframes fadeIn {
    0% {
        opacity: 0;
    }

    100% {
        opacity: 1;
    }
}

@keyframes fadeIn {
    0% {
        opacity: 0;
    }

    100% {
        opacity: 1;
    }
}